package com.company.base;

import java.util.Scanner;

public class demo4 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);


        //从键盘接收数据
        int i = 0;
        float f = 0.0f;

        System.out.println("请输入整数：");


        //如果。。。那么。。。
        if (scanner.hasNextInt()){
            i = scanner.nextInt();
            System.out.println("整数数据："+ i);
        }else {
            System.out.println("输入的不是整数数据");
        }
        System.out.println("请输入小数");
    if (scanner.hasNextFloat()){
        f = scanner.nextFloat();
        System.out.println("小数数据："+ f);
    }else {
        System.out.println("输入的不是小数数据!");
    }
scanner.close();

    }
}
